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Andrew [12]
3 years ago
10

Find a+b,2a+3b,IaI, and Ia-bI. a[4, 1], b=[1, -2]

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
4 0
I don’t think I will
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Triangle DEF has vertices located at D (2, 1), E (3,5), and F (6,2).
IRINA_888 [86]

Answer:

(A)

Length of DE = √17

EF = √18

DF = √17

(B) Slope of DE = 4

EF = 1

DF = 1/4

(C) Isosceles triangle.

Step-by-step explanation:

See attached image.

3 0
2 years ago
The probability that Brock scores a penalty kick is LaTeX: \frac{3}{10}3 10 . If he shoots 50 penalty kicks, how many "goals" ca
Feliz [49]

Answer:

15 goals out of 50 penalty kicks was scored by brock

Step-by-step explanation:

If Brock shoots 50 penalty kicks and the probability that he scores a penalty kick is 3/10, the number of goal brock is expected to make can be expressed as:

Number of goals scored = probability value * total penalty kicks taken

Number of goals scored = \frac{3}{10}*50

Number of goals scored = 15 goals

5 0
3 years ago
Help if u don’t mind <br> A)117<br> B)115<br> C)130
Alexxandr [17]

Answer:

I believe the answer i B

Step-by-step explanation:

I'm not 100% sure so please correct me if im wrong, sorry if i am

6 0
2 years ago
I dont get how to solve this?
Alex

Answer:

Step-by-step explanation:

In standard form this could be rewritten as | b - 0 | > 6, which in words, says,

"b is greater than 6 units away from 0 on a number line".  If b is greater than 6 units away, both positive 6 and negative 6 are 6 units away from 0.  Because the values we need are greater than 6 units away from 0, we are starting at both 6 and -6 and moving away from 0.  

The "greater than" symbol indicates that this is a disjunction so the word "or" is used as opposed to in a conjunction where the word "and" is used.

Therefore, our solutions are

b < -6 or b > 6, the 3rd choice down

5 0
3 years ago
Which kind of triangle is shown​
goblinko [34]

Answer:

Right Scalene Triangle

Step-by-step explanation:

8 0
2 years ago
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